[求助]如何创建实值初始种群？

[fengze16]

在学习时遇到这样的情况，请您帮下忙，谢谢：
>>FieldRD =

1 2 3 4
5 6 7 8

>> crtrp(6,FieldRD)
??? Error: File: crtrp.M Line: 34 Column: 19
"nargin" previously appeared to be used as a function or command, conflicting with its use here as the name of a variable.
A possible cause of this error is that you forgot to initialize the
variable, or you have initialized it implicitly using load or eval.
如何做这步啊？（红字所标部分），或者您还有什么方法完成初始实值种群的建立？